{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "protein", "cell type", "RNA", "cell line"], "input": "However, in either EL-4 (T) cells or S194 cells , both lower-affinity sites can be significantly induced by the tax gene product of human T-cell leukemia virus type I , showing that NF-kappa B activity can be modulated even in a B-cell line that constitutively expresses this factor."}
{"DNA": [], "protein": ["tax gene product", "NF-kappa B"], "cell type": [], "RNA": [], "cell line": ["EL-4 (T) cells", "S194 cells", "B-cell line"]}